Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 17 | #ifndef ART_RUNTIME_MIRROR_OBJECT_H_ |
| 18 | #define ART_RUNTIME_MIRROR_OBJECT_H_ |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 19 | |
David Sehr | c431b9d | 2018-03-02 12:01:51 -0800 | [diff] [blame] | 20 | #include "base/atomic.h" |
Vladimir Marko | db8e62d | 2016-03-30 16:30:21 +0100 | [diff] [blame] | 21 | #include "base/casts.h" |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 22 | #include "base/enums.h" |
David Sehr | 1979c64 | 2018-04-26 14:41:18 -0700 | [diff] [blame] | 23 | #include "base/globals.h" |
Mathieu Chartier | a59d9b2 | 2016-09-26 18:13:17 -0700 | [diff] [blame] | 24 | #include "obj_ptr.h" |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 25 | #include "object_reference.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 26 | #include "offsets.h" |
Andreas Gampe | 217488a | 2017-09-18 08:34:42 -0700 | [diff] [blame] | 27 | #include "read_barrier_config.h" |
| 28 | #include "read_barrier_option.h" |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 29 | #include "verify_object.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 30 | |
| 31 | namespace art { |
| 32 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 33 | class ArtField; |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 34 | class ArtMethod; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 35 | class ImageWriter; |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 36 | class LockWord; |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 37 | class Monitor; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 38 | struct ObjectOffsets; |
| 39 | class Thread; |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 40 | class VoidFunctor; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 41 | |
| 42 | namespace mirror { |
| 43 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 44 | class Array; |
| 45 | class Class; |
Mathieu Chartier | e4275c0 | 2015-08-06 15:34:15 -0700 | [diff] [blame] | 46 | class ClassLoader; |
Vladimir Marko | 05792b9 | 2015-08-03 11:56:49 +0100 | [diff] [blame] | 47 | class DexCache; |
Mathieu Chartier | 8fa2dad | 2014-03-13 12:22:56 -0700 | [diff] [blame] | 48 | class FinalizerReference; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 49 | template<class T> class ObjectArray; |
| 50 | template<class T> class PrimitiveArray; |
| 51 | typedef PrimitiveArray<uint8_t> BooleanArray; |
| 52 | typedef PrimitiveArray<int8_t> ByteArray; |
| 53 | typedef PrimitiveArray<uint16_t> CharArray; |
| 54 | typedef PrimitiveArray<double> DoubleArray; |
| 55 | typedef PrimitiveArray<float> FloatArray; |
| 56 | typedef PrimitiveArray<int32_t> IntArray; |
| 57 | typedef PrimitiveArray<int64_t> LongArray; |
| 58 | typedef PrimitiveArray<int16_t> ShortArray; |
Mathieu Chartier | 8fa2dad | 2014-03-13 12:22:56 -0700 | [diff] [blame] | 59 | class Reference; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 60 | class String; |
| 61 | class Throwable; |
| 62 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 63 | // Fields within mirror objects aren't accessed directly so that the appropriate amount of |
| 64 | // handshaking is done with GC (for example, read and write barriers). This macro is used to |
| 65 | // compute an offset for the Set/Get methods defined in Object that can safely access fields. |
| 66 | #define OFFSET_OF_OBJECT_MEMBER(type, field) \ |
| 67 | MemberOffset(OFFSETOF_MEMBER(type, field)) |
| 68 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 69 | // Checks that we don't do field assignments which violate the typing system. |
| 70 | static constexpr bool kCheckFieldAssignments = false; |
Ian Rogers | 04d7aa9 | 2013-03-16 14:29:17 -0700 | [diff] [blame] | 71 | |
Ian Rogers | cdc1aaf | 2014-10-09 13:21:38 -0700 | [diff] [blame] | 72 | // Size of Object. |
Hiroshi Yamauchi | 60f63f5 | 2015-04-23 16:12:40 -0700 | [diff] [blame] | 73 | static constexpr uint32_t kObjectHeaderSize = kUseBrooksReadBarrier ? 16 : 8; |
Ian Rogers | cdc1aaf | 2014-10-09 13:21:38 -0700 | [diff] [blame] | 74 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 75 | // C++ mirror of java.lang.Object |
Ian Rogers | 719d1a3 | 2014-03-06 12:13:39 -0800 | [diff] [blame] | 76 | class MANAGED LOCKABLE Object { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 77 | public: |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 78 | // The number of vtable entries in java.lang.Object. |
| 79 | static constexpr size_t kVTableLength = 11; |
| 80 | |
| 81 | // The size of the java.lang.Class representing a java.lang.Object. |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 82 | static uint32_t ClassSize(PointerSize pointer_size); |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 83 | |
| 84 | // Size of an instance of java.lang.Object. |
| 85 | static constexpr uint32_t InstanceSize() { |
| 86 | return sizeof(Object); |
| 87 | } |
| 88 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 89 | static MemberOffset ClassOffset() { |
| 90 | return OFFSET_OF_OBJECT_MEMBER(Object, klass_); |
| 91 | } |
| 92 | |
Hiroshi Yamauchi | 6e83c17 | 2014-05-01 21:25:41 -0700 | [diff] [blame] | 93 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 94 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 95 | ALWAYS_INLINE Class* GetClass() REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 96 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 97 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Mathieu Chartier | a058fdf | 2016-10-06 15:13:58 -0700 | [diff] [blame] | 98 | void SetClass(ObjPtr<Class> new_klass) REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 99 | |
Hiroshi Yamauchi | 12b58b2 | 2016-11-01 11:55:29 -0700 | [diff] [blame] | 100 | // Get the read barrier state with a fake address dependency. |
| 101 | // '*fake_address_dependency' will be set to 0. |
| 102 | ALWAYS_INLINE uint32_t GetReadBarrierState(uintptr_t* fake_address_dependency) |
| 103 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 104 | // This version does not offer any special mechanism to prevent load-load reordering. |
| 105 | ALWAYS_INLINE uint32_t GetReadBarrierState() REQUIRES_SHARED(Locks::mutator_lock_); |
| 106 | // Get the read barrier state with a load-acquire. |
| 107 | ALWAYS_INLINE uint32_t GetReadBarrierStateAcquire() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | c381c36 | 2016-08-23 13:27:53 -0700 | [diff] [blame] | 108 | |
Hiroshi Yamauchi | 12b58b2 | 2016-11-01 11:55:29 -0700 | [diff] [blame] | 109 | ALWAYS_INLINE void SetReadBarrierState(uint32_t rb_state) REQUIRES_SHARED(Locks::mutator_lock_); |
Hiroshi Yamauchi | ed70b4a | 2015-11-17 17:52:15 -0800 | [diff] [blame] | 110 | |
Mathieu Chartier | 42c2e50 | 2018-06-19 12:30:56 -0700 | [diff] [blame] | 111 | template<std::memory_order kMemoryOrder = std::memory_order_relaxed> |
Hiroshi Yamauchi | 12b58b2 | 2016-11-01 11:55:29 -0700 | [diff] [blame] | 112 | ALWAYS_INLINE bool AtomicSetReadBarrierState(uint32_t expected_rb_state, uint32_t rb_state) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 113 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame] | 114 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 115 | ALWAYS_INLINE uint32_t GetMarkBit() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame] | 116 | |
| 117 | ALWAYS_INLINE bool AtomicSetMarkBit(uint32_t expected_mark_bit, uint32_t mark_bit) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 118 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 36a270a | 2016-07-28 18:08:51 -0700 | [diff] [blame] | 119 | |
Roland Levillain | 14e5a29 | 2018-06-28 12:00:56 +0100 | [diff] [blame] | 120 | // Assert that the read barrier state is in the default (white, i.e. non-gray) state. |
Hiroshi Yamauchi | 12b58b2 | 2016-11-01 11:55:29 -0700 | [diff] [blame] | 121 | ALWAYS_INLINE void AssertReadBarrierState() const REQUIRES_SHARED(Locks::mutator_lock_); |
Hiroshi Yamauchi | 9d04a20 | 2014-01-31 13:35:49 -0800 | [diff] [blame] | 122 | |
Jeff Hao | a3faaf4 | 2013-09-03 19:07:00 -0700 | [diff] [blame] | 123 | // The verifier treats all interfaces as java.lang.Object and relies on runtime checks in |
| 124 | // invoke-interface to detect incompatible interface types. |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 125 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Mathieu Chartier | ef41db7 | 2016-10-25 15:08:01 -0700 | [diff] [blame] | 126 | bool VerifierInstanceOf(ObjPtr<Class> klass) REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 127 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Mathieu Chartier | a59d9b2 | 2016-09-26 18:13:17 -0700 | [diff] [blame] | 128 | ALWAYS_INLINE bool InstanceOf(ObjPtr<Class> klass) REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 129 | |
Mathieu Chartier | d08f66f | 2017-04-13 11:47:53 -0700 | [diff] [blame] | 130 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 131 | size_t SizeOf() REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 132 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 133 | Object* Clone(Thread* self) REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | 4e2cb09 | 2015-07-22 16:17:51 -0700 | [diff] [blame] | 134 | REQUIRES(!Roles::uninterruptible_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 135 | |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 136 | int32_t IdentityHashCode() |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 137 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 138 | REQUIRES(!Locks::thread_list_lock_, |
| 139 | !Locks::thread_suspend_count_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 140 | |
| 141 | static MemberOffset MonitorOffset() { |
| 142 | return OFFSET_OF_OBJECT_MEMBER(Object, monitor_); |
| 143 | } |
| 144 | |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 145 | // As_volatile can be false if the mutators are suspended. This is an optimization since it |
Mathieu Chartier | 4d7f61d | 2014-04-17 14:43:39 -0700 | [diff] [blame] | 146 | // avoids the barriers. |
Andreas Gampe | 3b45ef2 | 2015-05-26 21:34:09 -0700 | [diff] [blame] | 147 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 148 | LockWord GetLockWord(bool as_volatile) REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 3b45ef2 | 2015-05-26 21:34:09 -0700 | [diff] [blame] | 149 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 150 | void SetLockWord(LockWord new_val, bool as_volatile) REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 42c2e50 | 2018-06-19 12:30:56 -0700 | [diff] [blame] | 151 | bool CasLockWord(LockWord old_val, LockWord new_val, CASMode mode, std::memory_order memory_order) |
Mathieu Chartier | 8bb3c68 | 2018-06-18 12:53:10 -0700 | [diff] [blame] | 152 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 153 | uint32_t GetLockOwnerThreadId(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 154 | |
Mathieu Chartier | a704eda | 2016-07-13 09:53:35 -0700 | [diff] [blame] | 155 | // Try to enter the monitor, returns non null if we succeeded. |
| 156 | mirror::Object* MonitorTryEnter(Thread* self) |
| 157 | EXCLUSIVE_LOCK_FUNCTION() |
| 158 | REQUIRES(!Roles::uninterruptible_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 159 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 2d096c9 | 2015-10-12 16:18:20 -0700 | [diff] [blame] | 160 | mirror::Object* MonitorEnter(Thread* self) |
| 161 | EXCLUSIVE_LOCK_FUNCTION() |
| 162 | REQUIRES(!Roles::uninterruptible_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 163 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 2d096c9 | 2015-10-12 16:18:20 -0700 | [diff] [blame] | 164 | bool MonitorExit(Thread* self) |
| 165 | REQUIRES(!Roles::uninterruptible_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 166 | REQUIRES_SHARED(Locks::mutator_lock_) |
Ian Rogers | 719d1a3 | 2014-03-06 12:13:39 -0800 | [diff] [blame] | 167 | UNLOCK_FUNCTION(); |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 168 | void Notify(Thread* self) REQUIRES_SHARED(Locks::mutator_lock_); |
| 169 | void NotifyAll(Thread* self) REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 170 | void Wait(Thread* self, int64_t timeout, int32_t nanos) REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 171 | |
Mathieu Chartier | d7a7f2f | 2018-09-07 11:57:18 -0700 | [diff] [blame] | 172 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 173 | bool IsClass() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | d7a7f2f | 2018-09-07 11:57:18 -0700 | [diff] [blame] | 174 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 175 | Class* AsClass() REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 176 | |
Vladimir Marko | 98db89c | 2018-09-07 11:45:46 +0100 | [diff] [blame] | 177 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 178 | bool IsObjectArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Vladimir Marko | 98db89c | 2018-09-07 11:45:46 +0100 | [diff] [blame] | 179 | template<class T, VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 180 | ObjectArray<T>* AsObjectArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 181 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 182 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 183 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 184 | bool IsClassLoader() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 185 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 186 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 187 | ClassLoader* AsClassLoader() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e4275c0 | 2015-08-06 15:34:15 -0700 | [diff] [blame] | 188 | |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 189 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 190 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 191 | bool IsDexCache() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 192 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 193 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 194 | DexCache* AsDexCache() REQUIRES_SHARED(Locks::mutator_lock_); |
Vladimir Marko | 05792b9 | 2015-08-03 11:56:49 +0100 | [diff] [blame] | 195 | |
Vladimir Marko | 98db89c | 2018-09-07 11:45:46 +0100 | [diff] [blame] | 196 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 197 | bool IsArrayInstance() REQUIRES_SHARED(Locks::mutator_lock_); |
Vladimir Marko | 98db89c | 2018-09-07 11:45:46 +0100 | [diff] [blame] | 198 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 199 | Array* AsArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 200 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 201 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 202 | BooleanArray* AsBooleanArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 203 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 204 | ByteArray* AsByteArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 205 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 206 | ByteArray* AsByteSizedArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 207 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 208 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 209 | CharArray* AsCharArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 210 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 211 | ShortArray* AsShortArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 212 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 213 | ShortArray* AsShortSizedArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 214 | |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 215 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 216 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 217 | bool IsIntArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 218 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 219 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 220 | IntArray* AsIntArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 221 | |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 222 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 223 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 224 | bool IsLongArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 225 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 226 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 227 | LongArray* AsLongArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 228 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 229 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 230 | bool IsFloatArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 231 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 232 | FloatArray* AsFloatArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 233 | |
| 234 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 235 | bool IsDoubleArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 236 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 237 | DoubleArray* AsDoubleArray() REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | d2fe10a | 2014-01-15 10:20:56 +0100 | [diff] [blame] | 238 | |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 239 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 240 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 241 | bool IsString() REQUIRES_SHARED(Locks::mutator_lock_); |
Jeff Hao | 848f70a | 2014-01-15 13:49:50 -0800 | [diff] [blame] | 242 | |
| 243 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 244 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 245 | String* AsString() REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 246 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 247 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 248 | Throwable* AsThrowable() REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 249 | |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 250 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 251 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 252 | bool IsReferenceInstance() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | dfe02f6 | 2016-02-01 20:15:11 -0800 | [diff] [blame] | 253 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 254 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 255 | Reference* AsReference() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 8fa2dad | 2014-03-13 12:22:56 -0700 | [diff] [blame] | 256 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 257 | bool IsWeakReferenceInstance() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 258 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 259 | bool IsSoftReferenceInstance() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 260 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 261 | bool IsFinalizerReferenceInstance() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 262 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 263 | FinalizerReference* AsFinalizerReference() REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 8fa2dad | 2014-03-13 12:22:56 -0700 | [diff] [blame] | 264 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 265 | bool IsPhantomReferenceInstance() REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 266 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 267 | // Accessor for Java type fields. |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 268 | template<class T, |
| 269 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 270 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier, |
| 271 | bool kIsVolatile = false> |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 272 | ALWAYS_INLINE T* GetFieldObject(MemberOffset field_offset) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 273 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 274 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 275 | template<class T, |
| 276 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 277 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier> |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 278 | ALWAYS_INLINE T* GetFieldObjectVolatile(MemberOffset field_offset) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 279 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 280 | |
Mathieu Chartier | a058fdf | 2016-10-06 15:13:58 -0700 | [diff] [blame] | 281 | template<bool kTransactionActive, |
| 282 | bool kCheckTransaction = true, |
| 283 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 284 | bool kIsVolatile = false> |
| 285 | ALWAYS_INLINE void SetFieldObjectWithoutWriteBarrier(MemberOffset field_offset, |
| 286 | ObjPtr<Object> new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 287 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 288 | |
Mathieu Chartier | a058fdf | 2016-10-06 15:13:58 -0700 | [diff] [blame] | 289 | template<bool kTransactionActive, |
| 290 | bool kCheckTransaction = true, |
| 291 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 292 | bool kIsVolatile = false> |
| 293 | ALWAYS_INLINE void SetFieldObject(MemberOffset field_offset, ObjPtr<Object> new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 294 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 295 | |
Mathieu Chartier | a058fdf | 2016-10-06 15:13:58 -0700 | [diff] [blame] | 296 | template<bool kTransactionActive, |
| 297 | bool kCheckTransaction = true, |
| 298 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 299 | ALWAYS_INLINE void SetFieldObjectVolatile(MemberOffset field_offset, ObjPtr<Object> new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 300 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 301 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 302 | template<bool kCheckTransaction = true, |
| 303 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
Chang Xing | 6d3e768 | 2017-07-11 10:31:29 -0700 | [diff] [blame] | 304 | bool kIsVolatile = false> |
| 305 | ALWAYS_INLINE void SetFieldObjectTransaction(MemberOffset field_offset, ObjPtr<Object> new_value) |
| 306 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 307 | |
Mathieu Chartier | a058fdf | 2016-10-06 15:13:58 -0700 | [diff] [blame] | 308 | template<bool kTransactionActive, |
| 309 | bool kCheckTransaction = true, |
| 310 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Mathieu Chartier | a9746b9 | 2018-06-22 10:25:40 -0700 | [diff] [blame] | 311 | ALWAYS_INLINE bool CasFieldObject(MemberOffset field_offset, |
| 312 | ObjPtr<Object> old_value, |
| 313 | ObjPtr<Object> new_value, |
| 314 | CASMode mode, |
| 315 | std::memory_order memory_order) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 316 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | a058fdf | 2016-10-06 15:13:58 -0700 | [diff] [blame] | 317 | template<bool kTransactionActive, |
| 318 | bool kCheckTransaction = true, |
| 319 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Mathieu Chartier | a9746b9 | 2018-06-22 10:25:40 -0700 | [diff] [blame] | 320 | ALWAYS_INLINE bool CasFieldObjectWithoutWriteBarrier(MemberOffset field_offset, |
| 321 | ObjPtr<Object> old_value, |
| 322 | ObjPtr<Object> new_value, |
| 323 | CASMode mode, |
| 324 | std::memory_order memory_order) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 325 | REQUIRES_SHARED(Locks::mutator_lock_); |
Orion Hodson | 928033d | 2018-02-07 05:30:54 +0000 | [diff] [blame] | 326 | |
| 327 | template<bool kTransactionActive, |
| 328 | bool kCheckTransaction = true, |
| 329 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
| 330 | ObjPtr<Object> CompareAndExchangeFieldObject(MemberOffset field_offset, |
| 331 | ObjPtr<Object> old_value, |
| 332 | ObjPtr<Object> new_value) |
| 333 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 334 | |
| 335 | template<bool kTransactionActive, |
| 336 | bool kCheckTransaction = true, |
| 337 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
| 338 | ObjPtr<Object> ExchangeFieldObject(MemberOffset field_offset, ObjPtr<Object> new_value) |
| 339 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 340 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 341 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Mathieu Chartier | 9911128 | 2018-06-19 12:30:56 -0700 | [diff] [blame] | 342 | HeapReference<Object>* GetFieldObjectReferenceAddr(MemberOffset field_offset) |
| 343 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 11409ae | 2013-09-23 11:49:36 -0700 | [diff] [blame] | 344 | |
David Srbecky | ce32c10 | 2018-08-31 07:21:07 +0100 | [diff] [blame] | 345 | template<typename kType, bool kIsVolatile> |
| 346 | ALWAYS_INLINE void SetFieldPrimitive(MemberOffset field_offset, kType new_value) |
| 347 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 348 | uint8_t* raw_addr = reinterpret_cast<uint8_t*>(this) + field_offset.Int32Value(); |
| 349 | kType* addr = reinterpret_cast<kType*>(raw_addr); |
| 350 | if (kIsVolatile) { |
| 351 | reinterpret_cast<Atomic<kType>*>(addr)->store(new_value, std::memory_order_seq_cst); |
| 352 | } else { |
| 353 | reinterpret_cast<Atomic<kType>*>(addr)->StoreJavaData(new_value); |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | template<typename kType, bool kIsVolatile> |
| 358 | ALWAYS_INLINE kType GetFieldPrimitive(MemberOffset field_offset) |
| 359 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 360 | const uint8_t* raw_addr = reinterpret_cast<const uint8_t*>(this) + field_offset.Int32Value(); |
| 361 | const kType* addr = reinterpret_cast<const kType*>(raw_addr); |
| 362 | if (kIsVolatile) { |
| 363 | return reinterpret_cast<const Atomic<kType>*>(addr)->load(std::memory_order_seq_cst); |
| 364 | } else { |
| 365 | return reinterpret_cast<const Atomic<kType>*>(addr)->LoadJavaData(); |
| 366 | } |
| 367 | } |
| 368 | |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 369 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, bool kIsVolatile = false> |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 370 | ALWAYS_INLINE uint8_t GetFieldBoolean(MemberOffset field_offset) |
Andreas Gampe | 895f922 | 2017-07-05 09:53:32 -0700 | [diff] [blame] | 371 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 9911128 | 2018-06-19 12:30:56 -0700 | [diff] [blame] | 372 | Verify<kVerifyFlags>(); |
David Srbecky | ce32c10 | 2018-08-31 07:21:07 +0100 | [diff] [blame] | 373 | return GetFieldPrimitive<uint8_t, kIsVolatile>(field_offset); |
Andreas Gampe | 895f922 | 2017-07-05 09:53:32 -0700 | [diff] [blame] | 374 | } |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 375 | |
| 376 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, bool kIsVolatile = false> |
| 377 | ALWAYS_INLINE int8_t GetFieldByte(MemberOffset field_offset) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 378 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 379 | |
| 380 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
| 381 | ALWAYS_INLINE uint8_t GetFieldBooleanVolatile(MemberOffset field_offset) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 382 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 383 | |
| 384 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
| 385 | ALWAYS_INLINE int8_t GetFieldByteVolatile(MemberOffset field_offset) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 386 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 387 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 388 | template<bool kTransactionActive, |
| 389 | bool kCheckTransaction = true, |
| 390 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 391 | bool kIsVolatile = false> |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 392 | ALWAYS_INLINE void SetFieldBoolean(MemberOffset field_offset, uint8_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 393 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 394 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 395 | template<bool kTransactionActive, |
| 396 | bool kCheckTransaction = true, |
| 397 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 398 | bool kIsVolatile = false> |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 399 | ALWAYS_INLINE void SetFieldByte(MemberOffset field_offset, int8_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 400 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 401 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 402 | template<bool kTransactionActive, |
| 403 | bool kCheckTransaction = true, |
| 404 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 405 | ALWAYS_INLINE void SetFieldBooleanVolatile(MemberOffset field_offset, uint8_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 406 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 407 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 408 | template<bool kTransactionActive, |
| 409 | bool kCheckTransaction = true, |
| 410 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 411 | ALWAYS_INLINE void SetFieldByteVolatile(MemberOffset field_offset, int8_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 412 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 413 | |
| 414 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, bool kIsVolatile = false> |
| 415 | ALWAYS_INLINE uint16_t GetFieldChar(MemberOffset field_offset) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 416 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 417 | |
| 418 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, bool kIsVolatile = false> |
| 419 | ALWAYS_INLINE int16_t GetFieldShort(MemberOffset field_offset) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 420 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 421 | |
| 422 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
| 423 | ALWAYS_INLINE uint16_t GetFieldCharVolatile(MemberOffset field_offset) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 424 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 425 | |
| 426 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
| 427 | ALWAYS_INLINE int16_t GetFieldShortVolatile(MemberOffset field_offset) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 428 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 429 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 430 | template<bool kTransactionActive, |
| 431 | bool kCheckTransaction = true, |
| 432 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 433 | bool kIsVolatile = false> |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 434 | ALWAYS_INLINE void SetFieldChar(MemberOffset field_offset, uint16_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 435 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 436 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 437 | template<bool kTransactionActive, |
| 438 | bool kCheckTransaction = true, |
| 439 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 440 | bool kIsVolatile = false> |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 441 | ALWAYS_INLINE void SetFieldShort(MemberOffset field_offset, int16_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 442 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 443 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 444 | template<bool kTransactionActive, |
| 445 | bool kCheckTransaction = true, |
| 446 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 447 | ALWAYS_INLINE void SetFieldCharVolatile(MemberOffset field_offset, uint16_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 448 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 449 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 450 | template<bool kTransactionActive, |
| 451 | bool kCheckTransaction = true, |
| 452 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 453 | ALWAYS_INLINE void SetFieldShortVolatile(MemberOffset field_offset, int16_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 454 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 455 | |
| 456 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, bool kIsVolatile = false> |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 457 | ALWAYS_INLINE int32_t GetField32(MemberOffset field_offset) |
Andreas Gampe | 90b936d | 2017-01-31 08:58:55 -0800 | [diff] [blame] | 458 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 9911128 | 2018-06-19 12:30:56 -0700 | [diff] [blame] | 459 | Verify<kVerifyFlags>(); |
David Srbecky | ce32c10 | 2018-08-31 07:21:07 +0100 | [diff] [blame] | 460 | return GetFieldPrimitive<int32_t, kIsVolatile>(field_offset); |
Andreas Gampe | 90b936d | 2017-01-31 08:58:55 -0800 | [diff] [blame] | 461 | } |
Ian Rogers | d9c4fc9 | 2013-10-01 19:45:43 -0700 | [diff] [blame] | 462 | |
Mathieu Chartier | 4e30541 | 2014-02-19 10:54:44 -0800 | [diff] [blame] | 463 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 464 | ALWAYS_INLINE int32_t GetField32Volatile(MemberOffset field_offset) |
Andreas Gampe | 90b936d | 2017-01-31 08:58:55 -0800 | [diff] [blame] | 465 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 466 | return GetField32<kVerifyFlags, true>(field_offset); |
| 467 | } |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 468 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 469 | template<bool kTransactionActive, |
| 470 | bool kCheckTransaction = true, |
| 471 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 472 | bool kIsVolatile = false> |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 473 | ALWAYS_INLINE void SetField32(MemberOffset field_offset, int32_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 474 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 475 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 476 | template<bool kTransactionActive, |
| 477 | bool kCheckTransaction = true, |
| 478 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 479 | ALWAYS_INLINE void SetField32Volatile(MemberOffset field_offset, int32_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 480 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 481 | |
Chang Xing | 6d3e768 | 2017-07-11 10:31:29 -0700 | [diff] [blame] | 482 | template<bool kCheckTransaction = true, |
| 483 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 484 | bool kIsVolatile = false> |
| 485 | ALWAYS_INLINE void SetField32Transaction(MemberOffset field_offset, int32_t new_value) |
| 486 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 487 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 488 | template<bool kTransactionActive, |
| 489 | bool kCheckTransaction = true, |
| 490 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Mathieu Chartier | 42c2e50 | 2018-06-19 12:30:56 -0700 | [diff] [blame] | 491 | ALWAYS_INLINE bool CasField32(MemberOffset field_offset, |
| 492 | int32_t old_value, |
| 493 | int32_t new_value, |
| 494 | CASMode mode, |
| 495 | std::memory_order memory_order) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 496 | REQUIRES_SHARED(Locks::mutator_lock_); |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 497 | |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 498 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, bool kIsVolatile = false> |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 499 | ALWAYS_INLINE int64_t GetField64(MemberOffset field_offset) |
Andreas Gampe | c6ea7d0 | 2017-02-01 16:46:28 -0800 | [diff] [blame] | 500 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 9911128 | 2018-06-19 12:30:56 -0700 | [diff] [blame] | 501 | Verify<kVerifyFlags>(); |
David Srbecky | ce32c10 | 2018-08-31 07:21:07 +0100 | [diff] [blame] | 502 | return GetFieldPrimitive<int64_t, kIsVolatile>(field_offset); |
Andreas Gampe | c6ea7d0 | 2017-02-01 16:46:28 -0800 | [diff] [blame] | 503 | } |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 504 | |
| 505 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 506 | ALWAYS_INLINE int64_t GetField64Volatile(MemberOffset field_offset) |
Andreas Gampe | c6ea7d0 | 2017-02-01 16:46:28 -0800 | [diff] [blame] | 507 | REQUIRES_SHARED(Locks::mutator_lock_) { |
| 508 | return GetField64<kVerifyFlags, true>(field_offset); |
| 509 | } |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 510 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 511 | template<bool kTransactionActive, |
| 512 | bool kCheckTransaction = true, |
| 513 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 514 | bool kIsVolatile = false> |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 515 | ALWAYS_INLINE void SetField64(MemberOffset field_offset, int64_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 516 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 517 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 518 | template<bool kTransactionActive, |
| 519 | bool kCheckTransaction = true, |
| 520 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Mingyao Yang | 98d1cc8 | 2014-05-15 17:02:16 -0700 | [diff] [blame] | 521 | ALWAYS_INLINE void SetField64Volatile(MemberOffset field_offset, int64_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 522 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 523 | |
Chang Xing | 6d3e768 | 2017-07-11 10:31:29 -0700 | [diff] [blame] | 524 | template<bool kCheckTransaction = true, |
| 525 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 526 | bool kIsVolatile = false> |
| 527 | ALWAYS_INLINE void SetField64Transaction(MemberOffset field_offset, int32_t new_value) |
| 528 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 529 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 530 | template<bool kTransactionActive, |
| 531 | bool kCheckTransaction = true, |
| 532 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
| 533 | bool CasFieldWeakSequentiallyConsistent64(MemberOffset field_offset, |
| 534 | int64_t old_value, |
Ian Rogers | 228602f | 2014-07-10 02:07:54 -0700 | [diff] [blame] | 535 | int64_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 536 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 537 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 538 | template<bool kTransactionActive, |
| 539 | bool kCheckTransaction = true, |
| 540 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
| 541 | bool CasFieldStrongSequentiallyConsistent64(MemberOffset field_offset, |
| 542 | int64_t old_value, |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 543 | int64_t new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 544 | REQUIRES_SHARED(Locks::mutator_lock_); |
Hans Boehm | d843443 | 2014-07-11 09:56:07 -0700 | [diff] [blame] | 545 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 546 | template<bool kTransactionActive, |
| 547 | bool kCheckTransaction = true, |
| 548 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 549 | typename T> |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 550 | void SetFieldPtr(MemberOffset field_offset, T new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 551 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 552 | SetFieldPtrWithSize<kTransactionActive, kCheckTransaction, kVerifyFlags>( |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 553 | field_offset, new_value, kRuntimePointerSize); |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 554 | } |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 555 | template<bool kTransactionActive, |
| 556 | bool kCheckTransaction = true, |
| 557 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 558 | typename T> |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 559 | void SetFieldPtr64(MemberOffset field_offset, T new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 560 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 561 | SetFieldPtrWithSize<kTransactionActive, kCheckTransaction, kVerifyFlags>( |
Vladimir Marko | ca8de0a | 2018-07-04 11:56:08 +0100 | [diff] [blame] | 562 | field_offset, new_value, PointerSize::k64); |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 563 | } |
Mathieu Chartier | c528dba | 2013-11-26 12:00:11 -0800 | [diff] [blame] | 564 | |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 565 | template<bool kTransactionActive, |
| 566 | bool kCheckTransaction = true, |
| 567 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 568 | typename T> |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 569 | ALWAYS_INLINE void SetFieldPtrWithSize(MemberOffset field_offset, |
| 570 | T new_value, |
| 571 | PointerSize pointer_size) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 572 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 573 | if (pointer_size == PointerSize::k32) { |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 574 | SetField32<kTransactionActive, kCheckTransaction, kVerifyFlags>( |
Vladimir Marko | ca8de0a | 2018-07-04 11:56:08 +0100 | [diff] [blame] | 575 | field_offset, reinterpret_cast32<int32_t>(new_value)); |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 576 | } else { |
| 577 | SetField64<kTransactionActive, kCheckTransaction, kVerifyFlags>( |
Vladimir Marko | db8e62d | 2016-03-30 16:30:21 +0100 | [diff] [blame] | 578 | field_offset, reinterpret_cast64<int64_t>(new_value)); |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 579 | } |
| 580 | } |
Orion Hodson | 928033d | 2018-02-07 05:30:54 +0000 | [diff] [blame] | 581 | |
| 582 | // Base class for accessors used to describe accesses performed by VarHandle methods. |
| 583 | template <typename T> |
| 584 | class Accessor { |
| 585 | public: |
| 586 | virtual ~Accessor() { |
| 587 | static_assert(std::is_arithmetic<T>::value, "unsupported type"); |
| 588 | } |
| 589 | virtual void Access(T* field_address) = 0; |
| 590 | }; |
| 591 | |
| 592 | // Getter method that exposes the raw address of a primitive value-type field to an Accessor |
| 593 | // instance. This are used by VarHandle accessor methods to read fields with a wider range of |
| 594 | // memory orderings than usually required. |
| 595 | template<typename T, VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
| 596 | void GetPrimitiveFieldViaAccessor(MemberOffset field_offset, Accessor<T>* accessor) |
| 597 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 598 | |
| 599 | // Update methods that expose the raw address of a primitive value-type to an Accessor instance |
| 600 | // that will attempt to update the field. These are used by VarHandle accessor methods to |
| 601 | // atomically update fields with a wider range of memory orderings than usually required. |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 602 | template<bool kTransactionActive, |
| 603 | bool kCheckTransaction = true, |
| 604 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Orion Hodson | 928033d | 2018-02-07 05:30:54 +0000 | [diff] [blame] | 605 | void UpdateFieldBooleanViaAccessor(MemberOffset field_offset, Accessor<uint8_t>* accessor) |
| 606 | REQUIRES_SHARED(Locks::mutator_lock_); |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 607 | template<bool kTransactionActive, |
| 608 | bool kCheckTransaction = true, |
| 609 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Orion Hodson | 928033d | 2018-02-07 05:30:54 +0000 | [diff] [blame] | 610 | void UpdateFieldByteViaAccessor(MemberOffset field_offset, Accessor<int8_t>* accessor) |
| 611 | REQUIRES_SHARED(Locks::mutator_lock_); |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 612 | template<bool kTransactionActive, |
| 613 | bool kCheckTransaction = true, |
| 614 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Orion Hodson | 928033d | 2018-02-07 05:30:54 +0000 | [diff] [blame] | 615 | void UpdateFieldCharViaAccessor(MemberOffset field_offset, Accessor<uint16_t>* accessor) |
| 616 | REQUIRES_SHARED(Locks::mutator_lock_); |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 617 | template<bool kTransactionActive, |
| 618 | bool kCheckTransaction = true, |
| 619 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Orion Hodson | 928033d | 2018-02-07 05:30:54 +0000 | [diff] [blame] | 620 | void UpdateFieldShortViaAccessor(MemberOffset field_offset, Accessor<int16_t>* accessor) |
| 621 | REQUIRES_SHARED(Locks::mutator_lock_); |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 622 | template<bool kTransactionActive, |
| 623 | bool kCheckTransaction = true, |
| 624 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Orion Hodson | 928033d | 2018-02-07 05:30:54 +0000 | [diff] [blame] | 625 | void UpdateField32ViaAccessor(MemberOffset field_offset, Accessor<int32_t>* accessor) |
| 626 | REQUIRES_SHARED(Locks::mutator_lock_); |
Roland Levillain | d32ead2 | 2018-05-30 17:38:21 +0100 | [diff] [blame] | 627 | template<bool kTransactionActive, |
| 628 | bool kCheckTransaction = true, |
| 629 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags> |
Orion Hodson | 928033d | 2018-02-07 05:30:54 +0000 | [diff] [blame] | 630 | void UpdateField64ViaAccessor(MemberOffset field_offset, Accessor<int64_t>* accessor) |
| 631 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 632 | |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 633 | // TODO fix thread safety analysis broken by the use of template. This should be |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 634 | // REQUIRES_SHARED(Locks::mutator_lock_). |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 635 | template <bool kVisitNativeRoots = true, |
| 636 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 637 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier, |
Mathieu Chartier | 059ef3d | 2015-08-18 13:54:21 -0700 | [diff] [blame] | 638 | typename Visitor, |
| 639 | typename JavaLangRefVisitor = VoidFunctor> |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 640 | void VisitReferences(const Visitor& visitor, const JavaLangRefVisitor& ref_visitor) |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 641 | NO_THREAD_SAFETY_ANALYSIS; |
| 642 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 643 | ArtField* FindFieldByOffset(MemberOffset offset) REQUIRES_SHARED(Locks::mutator_lock_); |
Hiroshi Yamauchi | eb2baaf | 2015-05-13 21:14:22 -0700 | [diff] [blame] | 644 | |
tony.ys_liu | 7380c31 | 2015-01-16 19:16:45 +0800 | [diff] [blame] | 645 | // Used by object_test. |
| 646 | static void SetHashCodeSeed(uint32_t new_seed); |
| 647 | // Generate an identity hash code. Public for object test. |
| 648 | static uint32_t GenerateIdentityHashCode(); |
| 649 | |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 650 | // Returns a human-readable form of the name of the *class* of the given object. |
| 651 | // So given an instance of java.lang.String, the output would |
| 652 | // be "java.lang.String". Given an array of int, the output would be "int[]". |
| 653 | // Given String.class, the output would be "java.lang.Class<java.lang.String>". |
| 654 | static std::string PrettyTypeOf(ObjPtr<mirror::Object> obj) |
| 655 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 656 | std::string PrettyTypeOf() |
| 657 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 658 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 659 | protected: |
| 660 | // Accessors for non-Java type fields |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 661 | template<class T, VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, bool kIsVolatile = false> |
| 662 | T GetFieldPtr(MemberOffset field_offset) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 663 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 664 | return GetFieldPtrWithSize<T, kVerifyFlags, kIsVolatile>(field_offset, kRuntimePointerSize); |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 665 | } |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 666 | template<class T, VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, bool kIsVolatile = false> |
| 667 | T GetFieldPtr64(MemberOffset field_offset) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 668 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 9911128 | 2018-06-19 12:30:56 -0700 | [diff] [blame] | 669 | return GetFieldPtrWithSize<T, kVerifyFlags, kIsVolatile>(field_offset, PointerSize::k64); |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 670 | } |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 671 | |
| 672 | template<class T, VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, bool kIsVolatile = false> |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 673 | ALWAYS_INLINE T GetFieldPtrWithSize(MemberOffset field_offset, PointerSize pointer_size) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 674 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | 542451c | 2016-07-26 09:02:02 -0700 | [diff] [blame] | 675 | if (pointer_size == PointerSize::k32) { |
Vladimir Marko | ca8de0a | 2018-07-04 11:56:08 +0100 | [diff] [blame] | 676 | int32_t v = GetField32<kVerifyFlags, kIsVolatile>(field_offset); |
| 677 | return reinterpret_cast32<T>(v); |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 678 | } else { |
| 679 | int64_t v = GetField64<kVerifyFlags, kIsVolatile>(field_offset); |
Vladimir Marko | db8e62d | 2016-03-30 16:30:21 +0100 | [diff] [blame] | 680 | return reinterpret_cast64<T>(v); |
Mathieu Chartier | 2d72101 | 2014-11-10 11:08:06 -0800 | [diff] [blame] | 681 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 682 | } |
| 683 | |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 684 | // TODO: Fixme when anotatalysis works with visitors. |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 685 | template<bool kIsStatic, |
| 686 | VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 687 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier, |
| 688 | typename Visitor> |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 689 | void VisitFieldsReferences(uint32_t ref_offsets, const Visitor& visitor) HOT_ATTR |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 690 | NO_THREAD_SAFETY_ANALYSIS; |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 691 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 692 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier, |
| 693 | typename Visitor> |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 694 | void VisitInstanceFieldsReferences(ObjPtr<mirror::Class> klass, const Visitor& visitor) HOT_ATTR |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 695 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | fbc3108 | 2016-01-24 11:59:56 -0800 | [diff] [blame] | 696 | template<VerifyObjectFlags kVerifyFlags = kDefaultVerifyFlags, |
| 697 | ReadBarrierOption kReadBarrierOption = kWithReadBarrier, |
| 698 | typename Visitor> |
Mathieu Chartier | 31e8822 | 2016-10-14 18:43:19 -0700 | [diff] [blame] | 699 | void VisitStaticFieldsReferences(ObjPtr<mirror::Class> klass, const Visitor& visitor) HOT_ATTR |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 700 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 407f702 | 2014-02-18 14:37:05 -0800 | [diff] [blame] | 701 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 702 | private: |
Mathieu Chartier | c381c36 | 2016-08-23 13:27:53 -0700 | [diff] [blame] | 703 | // Get a field with acquire semantics. |
| 704 | template<typename kSize> |
| 705 | ALWAYS_INLINE kSize GetFieldAcquire(MemberOffset field_offset) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 706 | REQUIRES_SHARED(Locks::mutator_lock_); |
Fred Shih | 37f05ef | 2014-07-16 18:38:08 -0700 | [diff] [blame] | 707 | |
Ian Rogers | 04d7aa9 | 2013-03-16 14:29:17 -0700 | [diff] [blame] | 708 | // Verify the type correctness of stores to fields. |
Mathieu Chartier | 61c5ebc | 2014-06-05 17:42:53 -0700 | [diff] [blame] | 709 | // TODO: This can cause thread suspension and isn't moving GC safe. |
Mathieu Chartier | a058fdf | 2016-10-06 15:13:58 -0700 | [diff] [blame] | 710 | void CheckFieldAssignmentImpl(MemberOffset field_offset, ObjPtr<Object> new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 711 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | a058fdf | 2016-10-06 15:13:58 -0700 | [diff] [blame] | 712 | void CheckFieldAssignment(MemberOffset field_offset, ObjPtr<Object>new_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 713 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Ian Rogers | 04d7aa9 | 2013-03-16 14:29:17 -0700 | [diff] [blame] | 714 | if (kCheckFieldAssignments) { |
| 715 | CheckFieldAssignmentImpl(field_offset, new_value); |
| 716 | } |
| 717 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 718 | |
Mathieu Chartier | 9911128 | 2018-06-19 12:30:56 -0700 | [diff] [blame] | 719 | template<VerifyObjectFlags kVerifyFlags> |
| 720 | ALWAYS_INLINE void Verify() { |
| 721 | if (kVerifyFlags & kVerifyThis) { |
| 722 | VerifyObject(this); |
| 723 | } |
| 724 | } |
| 725 | |
| 726 | // Not ObjPtr since the values may be unaligned for logic in verification.cc. |
| 727 | template<VerifyObjectFlags kVerifyFlags, typename Reference> |
| 728 | ALWAYS_INLINE static void VerifyRead(Reference value) { |
| 729 | if (kVerifyFlags & kVerifyReads) { |
| 730 | VerifyObject(value); |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | template<VerifyObjectFlags kVerifyFlags> |
| 735 | ALWAYS_INLINE static void VerifyWrite(ObjPtr<mirror::Object> value) { |
| 736 | if (kVerifyFlags & kVerifyWrites) { |
| 737 | VerifyObject(value); |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | template<VerifyObjectFlags kVerifyFlags> |
| 742 | ALWAYS_INLINE void VerifyCAS(ObjPtr<mirror::Object> new_value, ObjPtr<mirror::Object> old_value) { |
| 743 | Verify<kVerifyFlags>(); |
| 744 | VerifyRead<kVerifyFlags>(old_value); |
| 745 | VerifyWrite<kVerifyFlags>(new_value); |
| 746 | } |
| 747 | |
| 748 | // Verify transaction is active (if required). |
| 749 | template<bool kTransactionActive, bool kCheckTransaction> |
| 750 | ALWAYS_INLINE void VerifyTransaction(); |
| 751 | |
Mathieu Chartier | 51eaa7f | 2016-10-12 16:08:35 -0700 | [diff] [blame] | 752 | // A utility function that copies an object in a read barrier and write barrier-aware way. |
| 753 | // This is internally used by Clone() and Class::CopyOf(). If the object is finalizable, |
| 754 | // it is the callers job to call Heap::AddFinalizerReference. |
| 755 | static Object* CopyObject(ObjPtr<mirror::Object> dest, |
Mathieu Chartier | 9d156d5 | 2016-10-06 17:44:26 -0700 | [diff] [blame] | 756 | ObjPtr<mirror::Object> src, |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 757 | size_t num_bytes) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 758 | REQUIRES_SHARED(Locks::mutator_lock_); |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 759 | |
tony.ys_liu | 7380c31 | 2015-01-16 19:16:45 +0800 | [diff] [blame] | 760 | static Atomic<uint32_t> hash_code_seed; |
| 761 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 762 | // The Class representing the type of the object. |
| 763 | HeapReference<Class> klass_; |
| 764 | // Monitor and hash code information. |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 765 | uint32_t monitor_; |
| 766 | |
Hiroshi Yamauchi | 60f63f5 | 2015-04-23 16:12:40 -0700 | [diff] [blame] | 767 | #ifdef USE_BROOKS_READ_BARRIER |
Hiroshi Yamauchi | 624468c | 2014-03-31 15:14:47 -0700 | [diff] [blame] | 768 | // Note names use a 'x' prefix and the x_rb_ptr_ is of type int |
Hiroshi Yamauchi | 9d04a20 | 2014-01-31 13:35:49 -0800 | [diff] [blame] | 769 | // instead of Object to go with the alphabetical/by-type field order |
| 770 | // on the Java side. |
Hiroshi Yamauchi | 60f63f5 | 2015-04-23 16:12:40 -0700 | [diff] [blame] | 771 | uint32_t x_rb_ptr_; // For the Brooks pointer. |
Hiroshi Yamauchi | 624468c | 2014-03-31 15:14:47 -0700 | [diff] [blame] | 772 | uint32_t x_xpadding_; // For 8-byte alignment. TODO: get rid of this. |
Hiroshi Yamauchi | 9d04a20 | 2014-01-31 13:35:49 -0800 | [diff] [blame] | 773 | #endif |
| 774 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 775 | friend class art::ImageWriter; |
Mathieu Chartier | ad2541a | 2013-10-25 10:05:23 -0700 | [diff] [blame] | 776 | friend class art::Monitor; |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 777 | friend struct art::ObjectOffsets; // for verifying offset information |
Hiroshi Yamauchi | 0fbd6e6 | 2014-07-17 16:16:31 -0700 | [diff] [blame] | 778 | friend class CopyObjectVisitor; // for CopyObject(). |
| 779 | friend class CopyClassVisitor; // for CopyObject(). |
Ian Rogers | cf7f191 | 2014-10-22 22:06:39 -0700 | [diff] [blame] | 780 | DISALLOW_ALLOCATION(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 781 | DISALLOW_IMPLICIT_CONSTRUCTORS(Object); |
| 782 | }; |
| 783 | |
| 784 | } // namespace mirror |
| 785 | } // namespace art |
| 786 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 787 | #endif // ART_RUNTIME_MIRROR_OBJECT_H_ |